# Redis

介绍rdis 常用技术

# Redis 缓存穿透

[![image-1655084226832.png](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/scaled-1680-/image-1655084226832.png)](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/image-1655084226832.png)

# 如何找到大key

[![image-1655084278615.png](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/scaled-1680-/image-1655084278615.png)](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/image-1655084278615.png)

[![image-1655084365373.png](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/scaled-1680-/image-1655084365373.png)](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/image-1655084365373.png)

# 秒杀系统如何解决超卖等常见问题？

[![image-1655085999705.png](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/scaled-1680-/image-1655085999705.png)](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/image-1655085999705.png)

[![image-1655086029110.png](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/scaled-1680-/image-1655086029110.png)](http://wiki.shopqorg.com/uploads/images/gallery/2022-06/image-1655086029110.png)